Type-writing machine.



A. J. BRIGGS.

TYPE WRITING MACHINE. APPLICATION FILED 050.10, 1912.

Patented May 11, 1915.

I WITNESSES:

INVENTEIFQ;

I-IISATTEIRNEV UNITED STATES PATENT OFFICE.

ARTHUR J. BRIGGS, 0E SYRACUSE, NEW xonx; jAS$Il3lNOJi .LBY MnsNEASSIGNMENTS, T0 nnmmeron rrrnwm'rnn comrm, or ILION, new YORK, aCORPORATION on NEW YORK.

TYPE-WRITING macnmn.

Specification of Letters Patent.- Patented 11, 1915.

p m-ma med retainer 10, 151k? sei-iai no. 735,885.

v To a m it 'mayi'concem':

Be it known that I, Antrhun'Jgfimccs, a

' citizen of the United States, and resident of Syracuse, in the countyof Onondaga andtype bars and hangers and methods of assembling andfitting or adjusting-said type bars-and hangers.

To the above and other ends my inven tion consists in the features ofconstruction,

combinations of devices and arrangementsof parts hereinafter describedand particularly pointed out in the claims:

In the accompanying-- drawing, Figure 1 is a side elevation of a typebar and hanger embodying my invention. Fig. 2 is a fragmentary frontelevation partly in section showinga plurality of type bars and hangersand the segmental su'pport therefor. Fig. 3 is anenlarged fragmentaryside view illustrating the hanger and the bearing ortion of the type barshown in Fig. 1. ig. 4 is a horizontal sectionalview taken on a planeindicated by the dotted line Hin Fig. 3 and looking in the direction ofthe arrows at said line. Fig.5 is a sectional view taken axially "ofelements ofthe' type bar bearing or joint. F igl 6 is a sectional viewillustrating the method of assembling the type bar bearing or joint.-

able mechanism to coiiperate With the front face of the platen (notshown). This is the usual front-strike arrangement, but itis to beunderstood that my imp'rovements' are adaptable to other arrangements oftype bars and" hangers; and further that saidimprovements-may beemployed to provide bearings or joints for, other moving parts ofwriting machines."

The bearing end po 'tion of the type bar is shaped to provide a circularenlargement.

- 01" head fi'which is formed'witha' slotted lug 7. to which" isconnected an element or link 8' comprised the actuating" mechanism, saidlink being received in'the slot in said lug to which it is pivotallyconnected. The head 6 is formedwith a circular opening or eye 9, theface of which is shaped to provide an internal; V-grooVe'," bearingsurface or race-Way 10 fora set'or plurality of antifriction balls orrollers 11 The rollers or ballsl'l also co'iipe'rate'with an innerstationary bearing or race-way composed of a pair of heating elements,coned-disks or pieces 12, the" peripheries whereof are opositely con'edor beveled as indicated at 13.

hese faces1'3"together with the V-groove 10 n rovide a four-pointbearing for. each ba Thei'di'sks 12 are formed'with'holes to fit'ov'er abushin or supporting and'spacing sleeve 14 provi edwith a centralcircular flange or spacing device 15 with the sides of which thedisksare' adaptedtd engage as clearly shown iii'Figg- 5. As will be seenfrom thisfi'gure' the ends of the sleeve 14 project beyond the outerfaces of the disks and are adapted to be" spread or headed over seas topermanently connect the disks .with the sleeve; The outerfaces of thedisks are slightly depressed, countersunk or beveledaround the holes asindicated at 16 so as to facilitate the heading of the sleeve,

as a result of which operation the three parts are rigidly fastenedtogether and the relationship of the-disks 12'permanently fi x'e'd; thatis to say, the parts are held in a fixed or setirelationship so as toprovide a unitary device, it being necessary to compress one of theparts comprised in said device or permanently alter the shape of or.

distort it in order to' 'eflfect a variation in such relationship.Thesleeve is preferably of brass or very soft'steel while the disks areof hardened steel. The sleeve 14 is bored out centrally as indicated at17 to receive a in or rivet 18 which connects the sleeve air through itthe type bar with the hanger 2. The r vet is supported at its ends incars 2 projecting rearward from the upper ends of the hanger and theouter ends of said rivet are upset or headed to prevent displacement ofthe parts after they have been assembled.

In assembling the parts comprised in my improved bearing or joint theballs 11 are arran ed' in the race-way 10, being prevente from droppingout by one of the coned disks 12 while it and its associate sleeve 14are held in place by the assembler. Then the other cone or disk 12 isarranged on the sleeve, the ends of which at this time, it will beunderstood, have not been upset, the sleeve being in the conditionillustrated in Fig. 5. The parts are then placed in a suitableassembling fixture and in register with two dies 19 (Fig. 6), the 0erating faces whereof have suitably shape depressions or countersinks20, the side faces of said countersinks being sloped or inclined. Nextthe die faces are forced toward each other by screw pressure orotherwise and the inclined or beveled faces of the depressions 20 willengage with the ends of the'sleeve 14, forcing these ends down towardthe outer faces of the coned disks 12 and also outward laterally. Theresult will be that the ends of the sleeve will be s read, filling thecountersinks 16 and slig tly overlapping the faces of the disks. Thisspreading permits the faces of the dies 19 to'engagethe outer faces ofthe disks 12 and press said disks toward each other. The flange orseparating device 15 is made a trifle wide so that initially or prior toapplying pressure to the disks the bearing is a little loose, that is,the balls are not in close contact with the bearing surfaces 13 and withthe race-way 10, said faces being too far apart at this time to give aclose fit. As a result-of applying pressure to the disks through thedies 19 the flange 15 is squeezed and slightly compressed, lessening thedistance between the bearing surfaces 13. During this compression thespreading of the ends of the sleeve will continue so that whencompression ceases the disks 12 will be tight on the sleeve. A very fineadjustment of the type bar may be obtained by employing the describedconstruction and assembling it in the manner described. .During the timethat the dies are gradually approaching each other the assembler .swlngsthe type bar back andfor'th with his fingers and is enabled to determineby the feel of the bar when the proper adjustment has been secured. Atthis instant he arrests the dies, thereafter removing the bar. At thistime it will he understood'that the ball bearing joint is completelyassembled but that the'rivet 18 is not in place. The type bar devicecomposed of the member ortype bar proper 1, the inner hearing or bearingmember comprising the disks 12 and sleeve 14 and the interposed balls,is self-contained, the balls preventing the inner hearing from droppingout while said bearing itself prevents displacement of the balls. Theassembler next arranges the type bar between the side walls of thehanger 2 and passes the pin or rivet 18 success1ve y through the hole inone of the ears 2 thereof, through'the hole 17 in the sleeve, andthrough the hole in the other ear 2. The ends. of the rivet are thenupset, forcing the inner faces of the ears 2- to engage tightly with theupset ends of the sleeve 14,

the -result being that the bearing member or device comprising thesleeve 14 and the disks 12 is rigidly secured in the hanger 2. When thehanger is secured in place on the segment 4 by the screw 3 the bearingsurfaces 13 provide a fixed bearing for the balls 11 on which said ballsmay run back and forth during actuations of the type bar.

Among the advantages of the described construction are simplicity andeconomy. Furthermore a very fine and accurate adjustment of the ballbearing joint is obtainable prior to' assembling the type bar in itshanger. If the joint becomes-defective or loose through wear orotherwise it may readily be repaired by substituting a new sleeve .andre-assembling the parts in the manner described.

Various changes may be made without departing from my invention.

What I claim as new and desire to secure by Letters Patent, is

1. In a typewriting machine, the combination of a type bar provided withan eye, anti-friction rollers therein, bearing. elements within said eyewith which said rollers cooperate, and. a compressible spacing member onwhich said elementsare mounted, said member and said elements beingrigidly secured, together under compression.

2. In a typewriting machine, the combination of a type bar provided withan eye, anti-friction rollers therein, bearing elements within said eyewith which said rollers cooperate, a compressible spacing member onwhich said elements are mounted, said member and said elements beingrigidly secured together under compression, a type bar hanger, and meansfor connecting said spacing member to said hanger.

3. In a typewriting machine, the combination of a type bar member, abearing member, anti-friction rollers between said members, one of saidmembers comprising two relatively adjustable parts for taking up lostmotionin the bearing, and compressiblemeans operative independently ofsaid rollers to secure said parts set permanently in a fixedrelationship obtained by forcing said parts toward each other againstthe resistance of said compressible means, a type bar hanger, and meansfor connecting said bearing'member with said hanger.

4. In a typewriting machine, the combination of a type bar member,abearing member, one -o said membe'rsfbeing provided with alleys and theother comprising two adjustable part6, compressible means for securingsaid parts permanently in a.

fixed relationship obtained by -;forcing said parts toward each otheragainst the resistance of said compressible means, anti-friction rollerswithin said eye and cooperating with said parts, said means beingOperative independently of said rollers to fix said a compressiblesleeve provided with a device' for spacing said disks apart, said disksand said sleeve being rigidly secured together under compression.

6. In a typewriting machine, the combination of a type bar provided'withan eye, anti-friction rollers therein, a pair of disks within said eyehaving incline faces with which said rollers coiiperate, a compressiblesleeve provided with a device for spacing said disks apart, said disksand said sleeve being rigidly secured together under compression,'.atypebar hanger, and means for securing said sleeve on said hanger.

7. In a typewriting machine, the combination of a type bar provided withan eye, anti-friction rollers therein,- a pair of disks within said eyeI having inclined bearing faces with which said rollers cooperate, acompressible sleeve provided with a device for spacing said disks apart,said disks and said sleeve being rigidly secured together undercompression, a U-shaped hanger, and

a rivet for securing said sleeve fixedly between the walls of saidhanger.

8. In a typewriting machine, the combination of atype bar provided withan eye,

disks are mounted, said sleeve being proanti-friction rollers therein, apair of disks within said eye having inclined bearing faces with whichsaid rollers cooperate, and a'sleeve on which said disks are mounted,said sleeve being provided with a central flange which spaces saiddisks, the ends of said sleeve being spread to rigidly secure the.disksin place thereon.

9. In a typewriting- 'machine, the combination of a type bar having aneye formed with a V-groove, anti-friction balls within said groove, twooppositely coned bearing 1 disks coiiperat'ng with said balls, and amember, one of sleeve of relatively soft metal on which said vided witha compressible flange which,

spaces said disks. and the endsoffsaid sleeve being upset to secure,said diskfsin place.

d bearing 'unitaryt device on said support.

1051a a typewriting machine, the combination of a type bar having an eyeformed with a .V-groove, anti-friction balls within saidgroove, twooppositely coned bearing disks coiiperating with said balls, a sleeve ofrelatively soft metal on which said disks are mounted, said. sleevebeing provided with a compressible flange which spaces said disks andthe ends of said sleeve being upset to secure saiddisks in place,a'U-shaped type bar hanger between the walls of which said type bar isarranged, and means connecting said walls and passing through saidsleeve.

11. In a typewriting machine, the combination of a type bar havingan eyeformed with a V-groove, anti-friction balls within said groove, twoppositely coned bearing disks coiiperating with said balls, a sleeve ofrelativel-ysoft metal on which said disks are mounted, said sleeve beingprovided with a compressible flange which spaces said disks and the endsof said sleeve being upset to secure said disks in place, a U-sliapedtype bar hanger between the walls of which said type bar isarranged,'and a rivet connecting 7 said "walls and passingthrough saidsleeve, said rivet securing said sleeve. in fixed relationship with saidhanger.

12. In a typewrltmg machine, the combination of a type bar provided withan eye, anti-friction rollers therein, bearing elements within said eyewith which said roll: ers cooperate, a compressible spacing member onwhich said elements are mounted, said spacing member and saidelementsbeing secured together in a fixed relationship so as to providea unitary device changeable only by altering the shape or structure ofone of the parts comprised in said device, a type bar hanger, means forconnecting said spacing member tosaid hanger, a supporting member .andmeans for detachably seguring said hanger to said supporting mem- 13.Ina typewritin-g machine, the combi-' nation of a plurality of typebars, each type bar being provided with an eye, anti-friction rollers insaid eye, .bearing elements within said eye. with which said rollerscooperate, acompressible spacing member on which said elements aremounted, said member and said elements being secured together in a fixedrelationship soas to provide a uni tary device changeable only byaltering the shape or structure of said device, a support for said .typebars, and means for detachably mounting each type bartogether with its14. In aftypewriting machine, the combination of a type bar member, abearing said members being provided with an'eye and the other comprisingtwo adjustable parts and compressible meansfor fixing the relationshipbetween said parts so as to provide a. unitary device,

ble, which consists in permanently fixing it being necessary after saidparts have been once adjusted to alter the shape of said,

bearing for a type bar comprising a race' way composed of a plurality ofrelatively adjustable parts one of which is compressithe relationship ofsuch parts by altering the shape of said compressible part iii such away that the type bar may be turned back andforth on its axis duringsuch fixing operation, said parts as a result of said fixing I operationbeing held against displacement either toward or away from each otherexcept by an alteration in the shape or structure of said means.

17. The method of assembling a roller bearing for a type bar comprisinga raceway composed of a plurality of parts and of a device compressibleat the opposite sides of each of said parts to permanently fix therelationship between said parts by com'pres-f sion, which consists incompressing saiddevice and fixing such relationship in such a way thatthe type barmay be turned back and forth on its axis during the compressing operation.-

18; The method of assembling a type bar device comprisinga type barproper having a race-way for anti-friction rollers, two parts providedwith inclined bearing surfaces, and

a relatively soft spacing sleeve provided" with a separating flangewhich maintains said two parts separated to such an extent that there-isan initial looseness in the be'aring, which consists in partiallyspreading orupsetting the ends of the spacing sleeve and then forcingsaid two parts toward each other and compressing said flange until thelooseness in the bearing is taken up.

1,1'se,eer

19. The method of assembling a type bar and hanger comprising a type barproper providedwith a ball race, two parts'related to provide a. secondball race, and a relatively soft spacing sleeve having a flange formaintaining the two parts initially separated so that there is loosenessin the bearing, which consists in partially spreading or upsetting theends of the spacing sleeve, then completing the spreading operation andconcurrently forcing saidtwo parts toward each other, compressing saidflange until the looseness in the bearing is taken up, then rivetingsaid sleeve and the type bar hanger together.

20. In a typewriting machine, the combination of a type bar providedwith a raceway, a plurality of relatively adjustable parts composing asecond race-way, rollers cooperative with said race-ways, and a singlepiece cooperative with each of said plurality of parts at the oppositefaces of each part to fix the relationship of said parts permanently inrespect to each other and also'in respect to said piece, said piece initself alone so fixing each of said parts.

21. In a typewriting machine, the combination of a type bar providedwith an eye, anti-friction rollers therein, bearing elements withinsaid. eye with which said rollers cooperate, and a single piece on whichsaid elements are mounted, said piece serv ing both to properly spacesaid elements apart and also to permanently fix or look said elements onsaid piece.

22. The method of assembling a type bar and a plurality of partscomprising a bearing device therefor, which consists in interlockingcertain of said parts by compression so as to fix the relationshipsbetween all of said parts and provide a single unitary rigidbearingidevice, the compressing operation taking place .prior to thesecuring of said type bar and said fdevice in the type bar hanger sothat-the type bar maybe turned back and forth on. its axis during thecompressing operation.

Signed at Syracuse, in the county of Onondaga, and State of New York,this sixth day of December A. D. 1912.v

V ARTHUR J. BRIGGS. W'itnessesF l a x E. S. BOYNTON,

' H. A. CARHART.

